In the wild.
70+ examples. One primitive. Across industries and data flows.
Polymonial does a lot. These use case examples show how — across the flows your business already runs (a CSV, an API, an EDI feed, a healthcare record exchange etc) and the problems it already faces (proving compliance, sharing data with partners, migrating off legacy crypto etc). Filter by your sector, the data flow you have today, the theme you care about, or the problem you’re trying to solve.
Don’t see your problem here? Contact us and we’ll see how we can help, or join the waitlist!
EXA8
Finance
KYC Once, Reuse Many
Onboard once. Prove your identity to many institutions. Never re-upload a document.
EXA10
Insurance
Insurance Underwriting
Get a quote that reflects your real risk — without handing over your medical history.
EXA11
Healthcare
Clinical Trials & Personalised Medicine
Combine trial results across hospitals worldwide — without a single patient record crossing a border.
EXA12
Healthcare
Encrypted Medical Records
Encrypt every patient record once. Doctors see only what they need — enforced by maths, not policy.
EXA17
Healthcare
Federated Hospital Analytics
Aggregate clinical statistics across hospitals — without sharing a single patient record.
EXA18
Pharma
Pharmacovigilance
Adverse-event reporting under MHRA Yellow Card / FDA FAERS / EudraVigilance using the ICH E2B(R3) message format — Polymonial seals the clinical detail so the safety signal reaches regulators without identifying the patient.
EXA20
Universal
Age Verification
Prove this user is over 18 — no name, no date of birth, no document upload.
EXA21
Universal
Identity & Breaches
Replace passwords with fresh proofs. Every login. No database to breach.
EXA22
PublicSector
National ID Without Surveillance
A national identity scheme citizens trust — usable everywhere, observable nowhere.
EXA38
Universal
Sealed File Drops
SFTP CSV file drops still leak plaintext PII daily — Polymonial seals them at the row level so the recipient queries instead of reads.
EXA39
Retail
EDI Without Eavesdropping
EDI invoices and ASNs flow plaintext through every node in the trading chain — Polymonial seals each segment so intermediaries see only their slice.
EXA40
Healthcare
FHIR Selective Disclosure
When healthcare systems exchange a Patient resource today, the receiver gets the full record — Polymonial wraps each FHIR field so they get only what their role requires.
EXA41
Finance
Bank Wires Without Identity Leak
ISO 20022 wires carry full beneficiary identity to every correspondent bank — Polymonial wraps the message so identity decrypts only at the destination.
EXA47
Universal
Customer-to-Customer Sharing
Two of your SaaS customers want to share data — today's API integrations grant full read access. Polymonial gives field-level partnerships.
EXA49
Universal
OAuth Identity Token Slimming
Single sign-on tokens leak the full user profile to every relying party — Polymonial wraps the assertion so only requested claims decrypt.
EXA69
Universal
AI Agent Identity
Prove an autonomous agent is who it claims and authorised to act — with no central identity honeypot.